* For 55mm OD head tube * For 1.5″ sized head tube and 1.1/8″ steerer * Aid design * Alloy most sensible quilt with 2Î5mm spacers * CNC machined alloy cups * Ï5/32″Î26 retainer bearings **Spares** * Best & Backside Bearings: MR071 * Crown Race: H6051 (160-5503)
Specification: FSA: No.60AL-3 Threadless 1.1/8″ Headset – Black
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